func node_lost_handler(event models.AppEvent, ctxt string) (models.AppEvent, error) {
//worry about the node only if the node in active state
state, err := skyringutils.GetNodeStateById(ctxt, event.NodeId)
if state == models.NODE_STATE_ACTIVE && err == nil {
if err := skyringutils.Update_node_status_byId(ctxt, event.NodeId, models.NODE_STATUS_ERROR); err != nil {
return event, err
}
}
event.Name = skyring.EventTypes["NODE_STATE_CHANGED"]
event.Message = fmt.Sprintf("Host: %s lost contact", event.NodeName)
event.EntityId = event.NodeId
event.Severity = models.ALARM_STATUS_MAJOR
event.NotificationEntity = models.NOTIFICATION_ENTITY_HOST
event.Notify = true
util.AppendServiceToNode(bson.M{"nodeid": event.NodeId}, models.SkyringServices[1], models.STATUS_DOWN, ctxt)
if err := update_alarm_count(event, ctxt); err != nil {
logger.Get().Error("%s-could not update alarm"+
" count for event: %s", ctxt, event.EventId.String())
return event, err
}
app := skyring.GetApp()
if err := app.RouteProviderEvents(ctxt, event); err != nil {
logger.Get().Error("%s-Event:%s could not be handled for node: %s. error: %v", ctxt, event.Name, event.NodeName, err)
}
return event, nil
}
func syncNodeStatus(ctxt string, node models.Node) error {
skyringutils.Update_node_state_byId(ctxt, node.NodeId, models.NODE_STATE_ACTIVE)
//get the latest status
ok, err := GetCoreNodeManager().IsNodeUp(node.Hostname, ctxt)
if err != nil {
logger.Get().Error(fmt.Sprintf("%s-Error getting status of node: %s. error: %v", ctxt, node.Hostname, err))
return nil
}
if ok {
skyringutils.Update_node_status_byId(ctxt, node.NodeId, models.NODE_STATUS_OK)
} else {
skyringutils.Update_node_status_byId(ctxt, node.NodeId, models.NODE_STATUS_ERROR)
}
//TODO update Alarm status and count
return nil
}
func node_appeared_handler(event models.AppEvent, ctxt string) (models.AppEvent, error) {
//worry about the node only if the node in active state
state, err := skyringutils.GetNodeStateById(ctxt, event.NodeId)
if state == models.NODE_STATE_ACTIVE && err == nil {
if err := skyringutils.Update_node_status_byId(ctxt, event.NodeId, models.NODE_STATUS_OK); err != nil {
return event, err
}
}
event.Name = skyring.EventTypes["NODE_STATE_CHANGED"]
event.Message = fmt.Sprintf("Host: %s gained contact", event.NodeName)
event.EntityId = event.NodeId
event.Severity = models.ALARM_STATUS_CLEARED
event.NotificationEntity = models.NOTIFICATION_ENTITY_HOST
event.Notify = true
util.AppendServiceToNode(bson.M{"nodeid": event.NodeId}, models.SkyringServices[1], models.STATUS_UP, ctxt)
if err := update_alarm_count(event, ctxt); err != nil {
logger.Get().Error("%s-could not update alarm"+
" count for event: %s", ctxt, event.EventId.String())
return event, err
}
return event, nil
}